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Motozato; Yoshiaki
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Spherical grains of polyamino acid and production method thereof
Patent number
4,948,816
Issue date
Aug 14, 1990
Hirayama; Chuichi
Chuichi Hirayama
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Spherical grains of polyamino acid and production method thereof
Patent number
4,840,975
Issue date
Jun 20, 1989
Hirayama; Chuichi
Chuichi Hirayama
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for preparing porous cellulose spherical particles
Patent number
4,312,980
Issue date
Jan 26, 1982
Chisso Corporation
Yoshiaki Motozato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...